Skip to main content
Free research Free research Free assay review with research home and workspace preview
Quick search ChEMBL 36
Assay Detail

CHEMBL661597

Review assay metadata, readout intent, target linkage, and publication context from the same page.

Binding
In vitro inhibition of purified human C1r protease.
17
Total Activities
17
Compounds Tested
1
Activity Types
0
Assay Parameters

Assay Information

Assay Type Binding
Confidence 8 — Homologous single protein target
Curated By Expert

Target

Complement C1r subcomponent (CHEMBL4611)
Type SINGLE PROTEIN
Organism Homo sapiens

Publication

Benzenesulfonamide derivatives of 2-substituted 4H-3,1-benzoxazin-4-ones and benzthiazin-4-ones as inhibitors of complement C1r protease.
Plummer JS, Cai C, Hays SJ, Gilmore JL, Emmerling MR, Michael W, Narasimhan LS, Watson MD, Wang K, Nath R, Evans LM, Jaen JC.
Bioorg Med Chem Lett (1999) 9 : 815 -820
PubMed 10206542 · DOI

Activity Statistics

Type Count Avg pChEMBL Best pChEMBL
IC50 17 5.17 6.16

Compounds Tested

Compound Name Phase Activities Best pChEMBL
CHEMBL166801 1 6.16
CHEMBL167523 1 5.82
CHEMBL169044 1 5.55
CHEMBL168038 1 5.50
CHEMBL166632 1 5.40
CHEMBL167163 1 5.22
CHEMBL355466 1 5.16
CHEMBL168702 1 5.12
CHEMBL354950 1 5.11
CHEMBL273264 NAFAMOSTAT 3.0 1 4.92
CHEMBL354119 1 4.70
CHEMBL165871 1 4.62
CHEMBL165932 1 4.52
CHEMBL165875 1 4.51
CHEMBL354991 1 -
CHEMBL353889 1 -
CHEMBL167467 1 -

Activity Data

Compound Name Type Rel. Value Units pChEMBL
CHEMBL166801 IC50 = 700.0 nM 6.16
CHEMBL167523 IC50 = 1500.0 nM 5.82
CHEMBL169044 IC50 = 2800.0 nM 5.55
CHEMBL168038 IC50 = 3200.0 nM 5.50
CHEMBL166632 IC50 = 4000.0 nM 5.40
CHEMBL167163 IC50 = 6000.0 nM 5.22
CHEMBL355466 IC50 = 7000.0 nM 5.16
CHEMBL168702 IC50 = 7500.0 nM 5.12
CHEMBL354950 IC50 = 7800.0 nM 5.11
CHEMBL273264 NAFAMOSTAT IC50 = 12000.0 nM 4.92
CHEMBL354119 IC50 = 20000.0 nM 4.70
CHEMBL165871 IC50 = 24000.0 nM 4.62
CHEMBL165932 IC50 = 30000.0 nM 4.52
CHEMBL165875 IC50 = 31000.0 nM 4.51
CHEMBL354991 IC50 > 62500.0 nM -
CHEMBL353889 IC50 > 60000.0 nM -
CHEMBL167467 IC50 > 62500.0 nM -